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Finding the Fourth Proportional to 5,295.69, 7,307.58 and 2,905.28

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Solution

The fourth proportional to 5,295.69, 7,307.58 and 2,905.28 is: 4,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.69 : 7,307.58 = 2,905.28 : x
  2. Step 2: Convert to fraction form
    5,295.69/7,307.58 = 2,905.28/x
  3. Step 3: Cross multiply
    5,295.69x = 7,307.58 × 2,905.28
  4. Step 4: Simplify right side
    5,295.69x = 21,230,540.38
  5. Step 5: Solve for x
    x = 21,230,540.38/5,295.69
  6. Step 6: Final answer
    x = 4,009.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.